Meteoritical Bulletin: Entry for Thiel Mountains 07003

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Thiel Mountains 07003

Basic information

Name: Thiel Mountains 07003
This is an OFFICIAL meteorite name.
Abbreviation: TIL 07003
Observed fall: No
Year found: 2007
Country: Antarctica [Collected by Korean Expedition for Antarctic Meteorites (KOREAMET)]
Mass: 18 g

Classification
history:

Meteoritical Bulletin:	MB 103	(2014)	CV3
Recommended:			CV3 [explanation]

This is 1 of 481 approved meteorites (plus 2 unapproved names) classified as CV3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites

Comments:

Approved 30 Aug 2014

Writeup

help

Writeup from MB 103:

Thiel Mountains 07003 (TIL 07003) 85°09.43’S, 94°36.39’W

Antarctica

Found: 2007 Dec 24

Classification: Carbonaceous chondrite (CV3)

Physical characteristics: The stone is almost completely covered with dark-black fusion crust; the interior is relatively fresh.

Petrography: The rock consists of chondrules (~64 vol.%), AOAs (~2 vol.%), one large CAI (~3 vol.%) and fine grained matrix (~ 31 vol%). Chondrules, AOAs the CAI are elongated and aligned in the same direction and numerous micro-faults are present. Opaque minerals are Fe-Ni metal and troilite; no magnetite was found in the section. The petrographic characteristics are very similar to TIL 07007. Chondrules are mostly type-I PO or POP chondrules and many of them were surrounded by coarse-grained igneous rims. Typical sizes of the chondrules are 0.89 mm × 0.58 mm. One CAI (2.78 mm × 0.94 mm) in the section mostly consist of melilite, spinel and Al-diopside. AOAs mainly consist of olivine (Fa content <2.6 %) with minor amount of melilite and Al-Ti-diopside.

Geochemistry: Olivine: Fa_0.3-5.7(av. Fa_1.1). Low-Ca pyroxene: Fs_0.6-3.1Wo_0.3-3.3(av. Fs_1.2Wo_1.5). High-Ca pyroxene: Fs_0.3Wo_47.4.Melilite in CAI: Ak content from 9.8 to 20.5.

Data from:
  MB103
  Table 0
  Line 0:

Origin or pseudonym:	Moulton Escarpment
Date:	2007 Dec 24
Latitude:	85°09.43'S
Longitude:	94°36.39'W
Mass (g):	18
Pieces:	1
Class:	CV3
Shock stage:	S2
Weathering grade:	W1
Classifier:	B.-G. Choi, Seoul-NU, and A. E. Rubin, UCLA
Type spec mass (g):	7.7
Type spec location:	Seoul-NU
Main mass:	KOPRI
Comments:	Submitted by B.-G. Choi

Institutions
and collections

UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
Seoul-NU: Department of Earth Science Education, Room# 13-426, Seoul National University, Seoul, Korea, 151-748, South Korea (institutional address; updated 20 Dec 2014)
KOPRI: Korea Polar Research Institute, 26 Songdomirae-ro, Yeonsu-gu, Incheon, Korea, 406-840, South Korea; Website (institutional address; updated 20 Dec 2014)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full

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Geography:

Antarctica

Antarctica

Coordinates:
Recommended::	(85° 9' 26"S, 94° 36' 23"W)

Statistics:
This is 1 of 45041 approved meteorites from Antarctica (plus 3472 unapproved names)

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